參數(shù)資料
型號: UPD178P018AGC
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 33/60頁
文件大小: 325K
代理商: UPD178P018AGC
33
μ
PD178P018A
(b) Serial interface channel 1
(i) 3-wire serial I/O mode (SCK1 ... internal clock output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK1 cycle time
t
KCY9
4.5 V
V
DD
5.5 V
800
ns
3.5 V
V
DD
< 4.5 V
1 600
ns
SCK1 high-/low-level width
t
KH9
,
4.5 V
V
DD
5.5 V
t
KCY9
/2 – 50
ns
t
KL9
3.5 V
V
DD
< 4.5 V
t
KCY9
/2 – 100
ns
SI1 setup time (to SCK1
)
t
SIK9
4.5 V
V
DD
5.5 V
100
ns
3.5 V
V
DD
< 4.5 V
150
ns
SI1 hold time (from SCK1
)
t
KSI9
400
ns
SO1 output delay time (from SCK1
↓)
t
KSO9
C = 100 pF
Note
300
ns
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK1 cycle time
t
KCY10
4.5 V
V
DD
5.5 V
800
ns
3.5 V
V
DD
< 4.5 V
1 600
ns
SCK1 high-/low-level width
t
KH10
,
4.5 V
V
DD
5.5 V
400
ns
t
KL10
3.5 V
V
DD
< 4.5 V
800
ns
SI1 setup time (to SCK1
)
t
SIK10
100
ns
SI1 hold time (from SCK1
)
t
KSI10
400
ns
SO1 output delay time (from SCK1
)
t
KSO10
C = 100 pF
Note
300
ns
SCK1 rising or falling edge time
t
R10
, t
F10
1 000
ns
Note
C is the load capacitance of the SO1 output line.
(ii) 3-wire serial I/O mode (SCK1 ... external clock input)
Note
C is the load capacitance of the SO1 output line.
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